PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • First I thought it was just pre-flash (as I understand it used by the cam sensor to work out how much flash needed) but looking at one photo with the flash popped down, and one with it up, there is a difference and the flash is firing and contributing to the exposure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cameralabs.com